For Like
SELECT post_id FROM like WHERE object_id in (SELECT vid FROM video WHERE owner= me()) or object_id in (SELECT note_id FROM note WHERE uid= me()) or object_id in (SELECT object_id FROM photo WHERE owner = me()) or object_id in (SELECT status_id FROM status WHERE uid=me()) or object_id in (SELECT link_id FROM link WHERE owner=me()) or object_id in (SELECT object_id FROM album where owner = me() and object_id != 0)
For Comments
SELECT post_id FROM comment WHERE object_id in (SELECT vid FROM video WHERE owner= me()) or object_id in (SELECT note_id FROM note WHERE uid= me()) or object_id in (SELECT object_id FROM photo WHERE owner = me()) or object_id in (SELECT status_id FROM status WHERE uid=me()) or object_id in (SELECT link_id FROM link WHERE owner=me()) or object_id in (SELECT object_id FROM album where owner = me()) or object_id in (SELECT object_id FROM photo WHERE aid in (SELECT aid FROM album where owner = me()))